How to use `typedef NS_ENUM` to return `float` values?

Question

In the code (below) LINE_WIDTH is declared a typedef for enumeration where the names Large, Medium, Small and Hairline are int co

Answer 1

In Swift you can use type double for enums

enum Constants: Double {
    case π = 3.14159
    case e = 2.71828
    case φ = 1.61803398874
    case λ = 1.30357
}

To know much about practical usage of enums in swift please refer https://appventure.me/2015/10/17/advanced-practical-enum-examples/